57065480 has 32 divisors (see below), whose sum is σ = 128879640. Its totient is φ = 22740480.

The previous prime is 57065479. The next prime is 57065483. The reversal of 57065480 is 8456075.

It can be written as a sum of positive squares in 4 ways, for example, as 56821444 + 244036 = 7538^2 + 494^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57065480.

It is not an unprimeable number, because it can be changed into a prime (57065483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8702 + ... + 13778.

Almost surely, 2^57065480 is an apocalyptic number.

It is an amenable number.

57065480 is an abundant number, since it is smaller than the sum of its proper divisors (71814160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57065480 is a wasteful number, since it uses less digits than its factorization.

57065480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369 (or 5365 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 57065480 is about 7554.1697095048. The cubic root of 57065480 is about 384.9974250685.

The spelling of 57065480 in words is "fifty-seven million, sixty-five thousand, four hundred eighty".